From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH 29/36] drm/i915: Simplify rc6/rps enabling
Date: Tue, 10 Apr 2018 13:45:00 +0100
Message-ID: <152336430012.3167.12632627455823562329@mail.alporthouse.com>
References: <20180314093748.8541-1-chris@chris-wilson.co.uk>
 <20180314093748.8541-29-chris@chris-wilson.co.uk>
 <21e9b4a7-6f44-33f4-9f43-ff93b324d71d@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192])
 by gabe.freedesktop.org (Postfix) with ESMTPS id C45146E3FA
 for <intel-gfx@lists.freedesktop.org>; Tue, 10 Apr 2018 12:45:20 +0000 (UTC)
In-Reply-To: <21e9b4a7-6f44-33f4-9f43-ff93b324d71d@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Sagar Arun Kamble <sagar.a.kamble@intel.com>, intel-gfx@lists.freedesktop.org
Cc: praveen.paneri@intel.com
List-Id: intel-gfx@lists.freedesktop.org

UXVvdGluZyBTYWdhciBBcnVuIEthbWJsZSAoMjAxOC0wMy0xNiAxNDoyODoyNykKPiAKPiAKPiBP
biAzLzE0LzIwMTggMzowNyBQTSwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+ID4gICB2b2lkIGludGVs
X2d0X3BtX2lycV9oYW5kbGVyKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwgdTMy
IHBtX2lpcikKPiA+ICAgewo+ID4gICAgICAgc3RydWN0IGludGVsX3JwcyAqcnBzID0gJmRldl9w
cml2LT5ndF9wbS5ycHM7Cj4gPiAgIAo+ID4gLSAgICAgaWYgKHBtX2lpciAmIHJwcy0+cG1fZXZl
bnRzKSB7Cj4gPiArICAgICBpZiAocnBzLT5hY3RpdmUgJiYgcG1faWlyICYgcnBzLT5wbV9ldmVu
dHMpIHsKPiBycHMtPmFjdGl2ZSBpcyB1cGRhdGVkIHVuZGVyIHN0cnVjdF9tdXRleCBycHMtPmxv
Y2sgc28gaSB0aGluayBpdCB3aWxsIAo+IG5vdCBiZSBzeW5jaHJvbml6ZWQgcHJvcGVybHkKCkl0
J3MgYW4gb3B0aW1pc3RpYyByZWFkLCBsYXRlciBvbiBpbnNpZGUgdGhlIHdvcmtlciBpcyB3aGVy
ZSB3ZSBkbyB0aGUKY2hlY2suIE9uIHRoZSBlbmFibGUgcGF0aCwgaXQgZG9lc24ndCBtYXR0ZXIg
YXMgd2UgZG9uJ3QgY2FyZSBhYm91dCB0aGUKZWFybHkgaW50ZXJydXB0LCB0aGVyZSB3aWxsIGJl
IG1vcmUgYW5kIHdlIHdhbnQgdG8gc2V0IG91ciBvd24KZnJlcXVlbmN5OyBvbiB0aGUgZGlzYWJs
ZSBwYXRoIHRoZSBpbnRlcnJ1cHQgaXMgc2VyaWFsaXNlZC4KCj4gPiAgICAgICAgICAgICAgIHNw
aW5fbG9jaygmZGV2X3ByaXYtPmlycV9sb2NrKTsKPiA+ICAgICAgICAgICAgICAgZ2VuNl9tYXNr
X3BtX2lycShkZXZfcHJpdiwgcG1faWlyICYgcnBzLT5wbV9ldmVudHMpOwo+ID4gLSAgICAgICAg
ICAgICBpZiAocnBzLT5pbnRlcnJ1cHRzX2VuYWJsZWQpIHsKPiA+IC0gICAgICAgICAgICAgICAg
ICAgICBycHMtPnBtX2lpciB8PSBwbV9paXIgJiBycHMtPnBtX2V2ZW50czsKPiA+IC0gICAgICAg
ICAgICAgICAgICAgICBzY2hlZHVsZV93b3JrKCZycHMtPndvcmspOwo+ID4gLSAgICAgICAgICAg
ICB9Cj4gPiArICAgICAgICAgICAgIHJwcy0+cG1faWlyIHw9IHBtX2lpciAmIHJwcy0+cG1fZXZl
bnRzOwo+ID4gICAgICAgICAgICAgICBzcGluX3VubG9jaygmZGV2X3ByaXYtPmlycV9sb2NrKTsK
PiA+ICsKPiA+ICsgICAgICAgICAgICAgc2NoZWR1bGVfd29yaygmcnBzLT53b3JrKTsKPiA+ICAg
ICAgIH0KPiA+ICAgfQo+ID4gICAKPiA+IC12b2lkIGdlbjZfcnBzX2J1c3koc3RydWN0IGRybV9p
OTE1X3ByaXZhdGUgKmRldl9wcml2KQo+ID4gK3ZvaWQgaW50ZWxfZ3RfcG1fYnVzeShzdHJ1Y3Qg
ZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gPiAgIHsKPiA+ICAgICAgIHN0cnVjdCBpbnRl
bF9ycHMgKnJwcyA9ICZkZXZfcHJpdi0+Z3RfcG0ucnBzOwo+ID4gKyAgICAgdTggZnJlcTsKPiA+
ICAgCj4gPiAgICAgICBpZiAoIUhBU19SUFMoZGV2X3ByaXYpKQo+ID4gICAgICAgICAgICAgICBy
ZXR1cm47Cj4gPiAgIAo+ID4gLSAgICAgbXV0ZXhfbG9jaygmcnBzLT5sb2NrKTsKPiA+IC0gICAg
IGlmIChycHMtPmVuYWJsZWQpIHsKPiA+IC0gICAgICAgICAgICAgdTggZnJlcTsKPiA+ICsgICAg
IEdFTV9CVUdfT04ocnBzLT5wbV9paXIpOwo+ID4gKyAgICAgR0VNX0JVR19PTihycHMtPmFjdGl2
ZSk7Cj4gdGhpcyBCVUdfT04gc2hvdWxkIG1vdmUgdW5kZXIgcnBzLT5sb2NrCgpJdCdzIHN1ZmZp
Y2llbnRseSBzZXJpYWxpc2VkIGJ5IHRoZSBjYWxsZXIuCgo+ID4gICAKPiA+IC0gICAgICAgICAg
ICAgSTkxNV9XUklURShHRU42X1BNSU5UUk1TSywKPiA+IC0gICAgICAgICAgICAgICAgICAgICAg
ICBnZW42X3Jwc19wbV9tYXNrKGRldl9wcml2LCBycHMtPmN1cl9mcmVxKSk7Cj4gPiArICAgICBt
dXRleF9sb2NrKCZycHMtPmxvY2spOwo+ID4gKyAgICAgcnBzLT5hY3RpdmUgPSB0cnVlOwo+ID4g
ICAKPiA+IC0gICAgICAgICAgICAgZW5hYmxlX3Jwc19pbnRlcnJ1cHRzKGRldl9wcml2KTsKPiA+
IC0gICAgICAgICAgICAgbWVtc2V0KCZycHMtPmVpLCAwLCBzaXplb2YocnBzLT5laSkpOwo+ID4g
KyAgICAgLyoKPiA+ICsgICAgICAqIFVzZSB0aGUgdXNlcidzIGRlc2lyZWQgZnJlcXVlbmN5IGFz
IGEgZ3VpZGUsIGJ1dCBmb3IgYmV0dGVyCj4gPiArICAgICAgKiBwZXJmb3JtYW5jZSwganVtcCBk
aXJlY3RseSB0byBSUGUgYXMgb3VyIHN0YXJ0aW5nIGZyZXF1ZW5jeS4KPiA+ICsgICAgICAqLwo+
ID4gKyAgICAgZnJlcSA9IG1heChycHMtPmN1cl9mcmVxLCBycHMtPmVmZmljaWVudF9mcmVxKTsK
PiA+ICsgICAgIGlmIChpbnRlbF9zZXRfcnBzKGRldl9wcml2LAo+ID4gKyAgICAgICAgICAgICAg
ICAgICAgICAgY2xhbXAoZnJlcSwKPiA+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHJw
cy0+bWluX2ZyZXFfc29mdGxpbWl0LAo+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
cnBzLT5tYXhfZnJlcV9zb2Z0bGltaXQpKSkKPiA+ICsgICAgICAgICAgICAgRFJNX0RFQlVHX0RS
SVZFUigiRmFpbGVkIHRvIHNldCBidXN5IGZyZXF1ZW5jeVxuIik7Cj4gPiAgIAo+ID4gLSAgICAg
ICAgICAgICAvKgo+ID4gLSAgICAgICAgICAgICAgKiBVc2UgdGhlIHVzZXIncyBkZXNpcmVkIGZy
ZXF1ZW5jeSBhcyBhIGd1aWRlLCBidXQgZm9yIGJldHRlcgo+ID4gLSAgICAgICAgICAgICAgKiBw
ZXJmb3JtYW5jZSwganVtcCBkaXJlY3RseSB0byBSUGUgYXMgb3VyIHN0YXJ0aW5nIGZyZXF1ZW5j
eS4KPiA+IC0gICAgICAgICAgICAgICovCj4gPiAtICAgICAgICAgICAgIGZyZXEgPSBtYXgocnBz
LT5jdXJfZnJlcSwKPiA+IC0gICAgICAgICAgICAgICAgICAgICAgICBycHMtPmVmZmljaWVudF9m
cmVxKTsKPiA+ICsgICAgIHJwcy0+bGFzdF9hZGogPSAwOwo+ID4gICAKPiA+IC0gICAgICAgICAg
ICAgaWYgKGludGVsX3NldF9ycHMoZGV2X3ByaXYsCj4gPiAtICAgICAgICAgICAgICAgICAgICAg
ICAgICAgICAgIGNsYW1wKGZyZXEsCj4gPiAtICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
ICAgICAgIHJwcy0+bWluX2ZyZXFfc29mdGxpbWl0LAo+ID4gLSAgICAgICAgICAgICAgICAgICAg
ICAgICAgICAgICAgICAgICBycHMtPm1heF9mcmVxX3NvZnRsaW1pdCkpKQo+ID4gLSAgICAgICAg
ICAgICAgICAgICAgIERSTV9ERUJVR19EUklWRVIoIkZhaWxlZCB0byBzZXQgaWRsZSBmcmVxdWVu
Y3lcbiIpOwo+ID4gKyAgICAgaWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gNikgewo+ID4gKyAg
ICAgICAgICAgICBtZW1zZXQoJnJwcy0+ZWksIDAsIHNpemVvZihycHMtPmVpKSk7Cj4gPiArICAg
ICAgICAgICAgIGVuYWJsZV9ycHNfaW50ZXJydXB0cyhkZXZfcHJpdik7Cj4gPiAgICAgICB9Cj4g
PiArCj4gPiAgICAgICBtdXRleF91bmxvY2soJnJwcy0+bG9jayk7Cj4gPiAgIH0KPiA+ICAgCj4g
PiAtdm9pZCBnZW42X3Jwc19pZGxlKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikK
PiA+ICt2b2lkIGludGVsX2d0X3BtX2lkbGUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9w
cml2KQo+ID4gICB7Cj4gPiAgICAgICBzdHJ1Y3QgaW50ZWxfcnBzICpycHMgPSAmZGV2X3ByaXYt
Pmd0X3BtLnJwczsKPiA+ICAgCj4gPiAtICAgICBpZiAoIUhBU19SUFMoZGV2X3ByaXYpKQo+ID4g
KyAgICAgaWYgKCFycHMtPmFjdGl2ZSkKPiB0aGlzIHRvbwoKQWdhaW4sIHNlcmlhbGlzZWQgYnkg
dGhlIGNhbGxlci4gVGhpcyBpcyBpbXBvcnRhbnQgbGF0ZXIuLi4KCj4gPiAgICAgICAgICAgICAg
IHJldHVybjsKPiA+ICAgCj4gPiAtICAgICAvKgo+ID4gLSAgICAgICogRmx1c2ggb3VyIGJvdHRv
bS1oYWxmIHNvIHRoYXQgaXQgZG9lcyBub3QgcmFjZSB3aXRoIHVzCj4gPiAtICAgICAgKiBzZXR0
aW5nIHRoZSBpZGxlIGZyZXF1ZW5jeSBhbmQgc28gdGhhdCBpdCBpcyBib3VuZGVkIGJ5Cj4gPiAt
ICAgICAgKiBvdXIgcnBtIHdha2VyZWYuIEFuZCB0aGVuIGRpc2FibGUgdGhlIGludGVycnVwdHMg
dG8gc3RvcCBhbnkKPiA+IC0gICAgICAqIGZ1dGhlciBSUFMgcmVjbG9ja2luZyB3aGlsc3Qgd2Ug
YXJlIGFzbGVlcC4KPiA+IC0gICAgICAqLwo+ID4gKyAgICAgbXV0ZXhfbG9jaygmcnBzLT5sb2Nr
KTsKPiA+ICsKPiA+ICAgICAgIGRpc2FibGVfcnBzX2ludGVycnVwdHMoZGV2X3ByaXYpOwo+ID4g
ICAKPiB0aGlzIGlzIG5vdCBwcm90ZWN0ZWQgYnkgSU5URUxfR0VOKCkgPj02IGNoZWNrLgoKV2Ug
ZG9uJ3QgZ3VhcmQgdGhpcyBmb3IgaXQgaGFzIHRvIGhhbmRsZSBhbGwgZ2VuLgotQ2hyaXMKX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1h
aWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu
ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==